28.5V Dc Power Supply
This series products adopt high frequency electronic switch changing technology,design and manufacture for air and military electrical equipment of 28.5V DC switch power,it a product instead of thyristor-controlled DC Source.
Application:
It can be used in aircraft and on-board equipment, radar, navigation and other electronic equipment military,and other needs 28.5V or 24V DC power supply field.And for all panzer and tanks, planes, guns, the power to start using.
★Power devices using a new generation of IGBT,use of IGBT switching mode high-frequency low-loss characteristics,complete energy conversion, with a small size, light weight, high efficiency, high reliability
★Current-mode control with full-bridge conversion, PWM control, and slope compensation technique, without anti-bias magnetic capacitors in series, with fast dynamic response, shock load capability, the advantages of a reliable over-current protection
★Intelligent monitoring using micro-chip computer to complete the power of intelligent control, LED / LCD panel display power supply operation parameters and working conditions; with a self-diagnostic features ,can remember the recent failures, improve maintainability
★Functional units and components, all designed to be modular structure, via the components of series expansion, small size, high efficiency, reliability and good maintainability
★Machine with 19 "standard chassis structure, either alone or rack can be installed
Technic Parameter
Type | XYH28-50 | XYH28-100 | XYH28-200 | XYH28-400 | XYH28-800 | XYH28-1000 | XYH28-1500 | XYH28-2000 |
Circuit mode | High frequency switching mode |
Input | phase | Single-phase wire + earth wire | Three-phase three-wire or three-phase four-wire |
voltage | 220V±15% | 220/380V±15% |
frequency | 50Hz±10% | 50/60Hz±10% |
Output | voltage | Rated voltage 28Vdc / 5Vdc~40Vdc adjustable |
Voltage stability | ≤0.1% | ≤0.3% |
current | 50A | 100A | 200A | 400A | 800A | 1000A | 1500A | 2000A |
Wave voltage | ≤100mv | 250mv |
Voltage meter | 3Semi-Digital meter(28.0V) | 3Semi-Digital meter(28.0V) or 4 Semi-Digital meter(28.00V) |
Current meter | 3 Semi-Digital meter(0.1A) | 3 Semi-Digital meter(28.0V) or 4 Semi-Digital meter(28.00V) |
remote compensate function | With remote voltage compensation function (0 ~ 2V) |
Load | Any kinds of load |
Protection | With over-voltage (32 ~ 35V), over-current, over temperature, short circuit (three-phase input, with phase protection) |
Cooling | Fan forced cooling |
Working environment | Temperature: -10 ℃ ~ +50 ℃, Humidity: 0 ~ 90% (non-condensing), continuous work, anti-dust (carbon brush powder and dust) |
Noise | ≤55dB |
Pressure | Input on the shell AC1500V/1min, no flash over breakdown phenomenon (to determine current 10mA) |
Insulation resistance | The output of the case ≥ 10MΩ (500V shake table) |
Circuit mode | PWM Width modulation switching mode |
Structure mode | Rack | Ark | Ark (From the drawer-type modules) |
Demension (L*W*Hmm) | 360*240*160 | 360*440*160 | 520*430*740 | 620*430*880 | 650*610*1550 | 650*610*1750 | 750*710*1550 | 750*710*1950 |
Output mode | Terminal |
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